You might think that 3D printing is a mature technology, the way guns and pizzas and pieces of jet engines are popping out these days, but you haven't seen it all: a company called Mataerial has built a contraption that can print gravity-defying strands of material right onto a wall.
via The Verge - All Posts http://www.theverge.com/2013/5/28/4371156/mataerial-3d-printing-anti-gravity-object-modeling-aom http://www.theverge.com/